frontmatters

Replay LLM plugin: short-circuits llm/stream with model chunks reconstructed from a recorded session JSONL (keyless snapshot tests)

Provider-neutral LLM service interface for the agentBrain Harness

Storage hub (ctx.storage): named backend registry plus mounted data-form facilities for the agentBrain Harness

Domain data form (ctx.storage.domain): schema-validated, event-emitting KV domains over storage backends for the agentBrain Harness

DeepSeek chat-completions adapter for the agentBrain Harness LLM seam

pi-ai-backed DeepSeek adapter for the agentBrain Harness LLM seam (design-verification twin of abh-llm-deepseek)

Provider-routed LLM request retry policy for the agentBrain Harness

Shared LLM generation policy for agentBrain Harness session-title providers

First-message LLM provider plugin for agentBrain Harness session titles

JSON file KV storage backend for the agentBrain Harness storage hub

Scriptable OpenAI-compatible HTTP/SSE fault server for LLM recovery tests

All-user-messages LLM provider plugin for agentBrain Harness session titles

SQLite storage backend (kv facet) for the agentBrain Harness storage hub

The default executor-less/UI-less agent spine with fallback session titles, provider-routed retry, and optional persisted goals

DeepSeek-backed search provider (native web_search via the Anthropic-compatible API) for the agentBrain Harness web capability seam (ctx.web)

Trajectory event ledger with an interactive timing overview: pure-consumer plugin registering into the conversation ViewMap (no service)

System prompt assembly registry for the agentBrain Harness

Tool registry and execution pipeline for the agentBrain Harness

Model selection: the /model popupSelect over session.models / session.selectModel

API gateway: the ApiProxy contract (api/), the fetch carrier pair (fetch/), and the host-side gateway plugin providing ctx.apiProxy

Composition-authored deployment persona section for the agentBrain Harness

Globally named send_message, interrupt_agent, and list_agents tools over ctx.subagents continuations

Abstract spill storage seam (ctx.spillStore) for the agentBrain Harness — save oversized tool text and return a retrieval locator

Abstract web access capability seam (ctx.web) for the agentBrain Harness — search/fetch provider registry, registration-order-independent selection, request/result vocabulary, and the WebError taxonomy

Exa-backed search provider for the agentBrain Harness web capability seam (ctx.web)

Abstract process-sandbox seam (ctx.sandbox) for the agentBrain Harness: same-world confinement vocabulary and the SandboxProvider contract

Opt-in durable per-step context with the current time and elapsed time